a hard shell, require a different method because of their size and the texture of their carapace. A harness that goes over the shell is used to secure a transmitter. The harness tends to last longer than the epoxy or fiberglass methods, allowing researchers to track leatherbacks for up to two years before the harness falls off harmlessly. See also Endangered species References External links Official Tour de Turtles website Sea turtles Events in the Caribbean Turtle conservation Reptiles of the Caribbean Turtles of North America